>> and jim letterer, the moderator to lay down a format on the economy in the first section. they have questions to start off the discussion, and then a discussion, free flowing, it's supposed to stay on the topic matter that they've agreed to, which is domestic issues. so, i don't expect any wavering off into foreign policy, libya or afghanistan, you don't know that that possibly could happen, but it's supposed to say pretty structured, but the discussion is something new, so le herrer can press and there's a lot of free flow in those 15 minutes, so, a lot of things can happen in a short time. >> harris: with the time i have left with you. i want to focus on style and the moderated debates before, did a beautiful job in the g.o.p. primary i might ad. from your experience i'm hearing that the candidates should work in humor. humor can back fire, can't it? >> sure, if it's too staged, if it's hokey, it can come off as just not genuine. and all of these folks who are out there telling governor romney he needs to have a connection moment, there are many other folks on the conser